Question

dapat 70 poin tolong kasih himpunan nya ya​

Answer 1

4x + 7 = 21

4x = 21 - 7

4x = 14

x = 14/4

x = 7/2

x = 3,5

Answer 2

4x=21-7

4x=4

x= 4/4

x=1

itu sih stau gue

kalo sala y maaf